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Video showing how to launch a nuke is equally captivating and chilling

Physicist Derek Muller walks through the process by which one of the world's most destructive forces could have been unleashed. It's frighteningly simple.

By July 28, 2015


Signal app encrypts iOS users' text messages -- to Android devices too

Updated iOS app lets you send secure group, text, picture and video messages to other Apple mobile devices, and to Android users who have the TextSecure app.

By March 3, 2015


NSA planted surveillance software on hard drives, report says

Security vendor Kaspersky outs a group capable of inserting spying software onto hard drives around the world, while Reuters fingers the NSA as the culprit.

By February 17, 2015


Sony and the rise of state-sponsored hacking

North Korea has been blamed for one of the most destructive cyberattacks on a company in US history. It's just the latest in a string of hacks sanctioned and funded by governments.

By December 20, 2014


This is what your home on Mars could look like

NASA JPL and Makerbot have announced the winners of their Thingiverse Mars Base challenge to design and 3D print a human habitat for the Red Planet.

By August 18, 2014


Student's brilliant chemistry joke in yearbook upsets teachers

A star chemistry student offers a periodic table joke beyond any other. Some don't get it -- at first.

By May 21, 2014


Yes, atomic bomb that fell in US almost went off, says document

An H-bomb that accidentally plunged into a North Carolina field in 1961 came far too close to actually exploding, according to a secret document newly published by the Guardian.

By February 20, 2014


Scientists take big step on path to fusion energy

Clean electrical power from a fusion reactor remains a distant goal, but it's one step closer following a test in which fusion energy output exceeded the energy pumped into a fuel pellet.

By February 13, 2014


Five ways Google could help start an apocalypse

Humanoid (and cheetahoid) robots with access to your calendar and home automation systems gone bad are examples of how the "don't be evil" company could morph into a sci-fi franchise.

By January 29, 2014


Old-school chemistry set mimics one made in 1936

The BenchMark Legacy Chemicals kit on Kickstarter lets kids unleash the awesome power of chemistry without watering down the experience.

By November 15, 2013